what oil?
Logistics Pro
Joined: Jun 2017
Posts: 3,963
Likes: 512
From: Edmond, OK
Yes, Delvac 15W-40 should work fine. I use the Rotella T4 15W-40, or the Traveler 15W-40 available at Tractor Supply.
Hopefully a moderator @tjc transport can move our posts to a new thread since this is a thread from 2006.
Hopefully a moderator @tjc transport can move our posts to a new thread since this is a thread from 2006.
i ain't rite
Joined: Mar 2005
Posts: 65,511
Likes: 5,567
From: Marlboro Mental Hospital.
Logistics Pro
Joined: Jun 2017
Posts: 3,963
Likes: 512
From: Edmond, OK
I don't know about that. How much can they know if most of their engines are missing at least 2 cylinders. 
More Turbo
Joined: Oct 2014
Posts: 697
Likes: 82
From: Alberta Eh
We’ve used Mobil Delvac for years with no trouble. Only issue is they were jacking around with their pails. Some didn’t have a vent, and last pail was red instead of black. Black pails have always been engine oil, while red pails are gear/diff/hydraulic oils etc. Doesn’t mean anything, just odd that they’d change after all these years.
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